Recipes: make your own ketchup

Tomato ketchup has got to be one of the most standardized of condiments. Why not get adventurous with it -- and surprise your friends and family -- by making some yourself? Here are three recipes. If you're really adventurous, you could try one of these century-old recipes for ketchup made from mushrooms, plums and grapes. But before you try them on your friends and family, you might want to first try them yourself.